Solubility Rules Flashcards
What is the 80% rule?
80% of the time, if the cation has a +1 and the anion is -1, it’s a solute
How to strong acids dissolve?
Totally, dissolve into ions
How to weak acids dissolve?
Poorly. Will dissolve in water, but no dissociation into ions
What are the strong acids?
HCl HBr HI HNO3 HClO3 HCLO4 H2SO4
Alkali metals salts are….
Soluble, no exceptions
Ammonium salts are…
Soluble, no exceptions
NH4
Nitrates are…
Soluble, no exceptions
NO3-
Acetates are…
Soluble, no exceptions
C2H3O2-
Chlorates are….
Soluble, no exceptions
ClO3-
Perchlorate are….
Soluble, no exceptions
ClO4
Which chlorides, iodides, and bromides are insoluble?
Silver, Lead (II), Mercury (I)
Which sulfates are insoluble?
calcium, strontium, barium, silver, lead (II), mercury (I)
Which fluorides are insoluble?
calcium, magnesium, strontium, barium, silver, lead (II), mercury (I)
Are hydroxides soluble?
No. Unless w/ and alkali metal or ammonium.
Are sulfides soluble?
No, unless w/ an alkali metal or ammonium
